Restructure of code for wasm build.

src/simulator/gui.odin

@@ -3,6 +3,9 @@ package simulator
 import emu "../machine"
 import rl "vendor:raylib"
 
+// Globals
+run: bool
+
 // Window
 WINDOW_WIDTH  :: 1920
 WINDOW_HEIGHT :: 1080
@@ -38,13 +41,17 @@ Layout :: struct {
 	info_box     : rl.Rectangle,
 }
 
-// Initialize main the gui 'window'
-run_gui :: proc(sim: ^Simulator) {
+init :: proc(sim: ^Simulator) {
+	run = true
+
     rl.SetConfigFlags({.WINDOW_RESIZABLE})
     rl.InitWindow(WINDOW_WIDTH, WINDOW_HEIGHT, "Octal Cookie - Chip 8 Simulator")
     rl.InitAudioDevice()
     rl.SetTargetFPS(60)
+
+	// Load sound
     beep := rl.LoadSound("./assets/sounds/beep.wav")
+	sim.sound = beep
 
     // Load fonts
     font := rl.LoadFontEx("./assets/fonts/Inter_18pt-Regular.ttf", 18, nil, 0)
@@ -56,9 +63,9 @@ run_gui :: proc(sim: ^Simulator) {
 
     rl.GuiSetFont(font)
     rl.GuiSetStyle(.DEFAULT, i32(rl.GuiDefaultProperty.TEXT_SIZE), 18)
+}
 
-	// Draw each of the components in its own window within the main window
-	for !rl.WindowShouldClose() {
+update :: proc(sim: ^Simulator) {
 	// Recalculate layout each frame based on current window size
 	// Pass these down to gui functions so they can setup their sizes?
 	screen_width  := f32(rl.GetScreenWidth())
@@ -75,13 +82,13 @@ run_gui :: proc(sim: ^Simulator) {
 	if (!sim.paused) {
 		// Cycle the machine to update memory etc
 		emu.run_machine(sim.machine, cycles)
-			tick_timers(sim, beep)
+		tick_timers(sim)
 	}
 
 	if(sim.paused && sim.step) {
 		// Cycle the machine to update memory etc
 		emu.run_machine(sim.machine, 1)
-			tick_timers(sim, beep)
+		tick_timers(sim)
 		sim.step = false
 	}
 
@@ -114,13 +121,26 @@ run_gui :: proc(sim: ^Simulator) {
 	rl.EndDrawing()
 }
 
+shutdown :: proc(sim: ^Simulator) {
 	rl.UnloadFont(sim.font)
-	rl.UnloadSound(beep)
+	rl.UnloadSound(sim.sound)
 	rl.CloseAudioDevice()
 	rl.CloseWindow()
 }
 
-tick_timers :: proc(sim: ^Simulator, beep: rl.Sound) {
+should_run :: proc() -> bool {
+	when ODIN_OS != .JS {
+		if rl.WindowShouldClose() {
+			run = false
+		}
+	}
+
+	return run
+}
+
+tick_timers :: proc(sim: ^Simulator) {
+	beep := sim.sound
+
     if sim.machine.delay_timer > 0 do sim.machine.delay_timer -= 1
     if sim.machine.sound_timer > 0 {
         sim.machine.sound_timer -= 1

src/simulator/simulator.odin

@@ -29,6 +29,7 @@ Simulator :: struct {
 	cpu_hz:			   f32,
 	info_box:          bool,
 	// GUI
+	sound:			   rl.Sound,
 	font:			   rl.Font,
 	active_tab:		   i32,
 	mem_scroll:        rl.Vector2,
@@ -44,6 +45,7 @@ Simulator :: struct {
 }
 
 // Requires an initilized emulatore System Struct
+/*
 run_simulator :: proc(s: ^emu.System) {
 	sim := Simulator {
 		machine = s,
@@ -56,3 +58,4 @@ run_simulator :: proc(s: ^emu.System) {
 
 	run_gui(&sim)
 }
+*/